EP4026682A1 - Machine de soufflage ou d'étirage-soufflage de bouteilles en polymère - Google Patents

Machine de soufflage ou d'étirage-soufflage de bouteilles en polymère Download PDF

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Publication number
EP4026682A1
EP4026682A1 EP22150118.2A EP22150118A EP4026682A1 EP 4026682 A1 EP4026682 A1 EP 4026682A1 EP 22150118 A EP22150118 A EP 22150118A EP 4026682 A1 EP4026682 A1 EP 4026682A1
Authority
EP
European Patent Office
Prior art keywords
molds
mold
blowing
base
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22150118.2A
Other languages
German (de)
English (en)
Other versions
EP4026682B1 (fr
Inventor
Angelo NAVA
Damiano Pesenti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMI SpA
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SMI SpA
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Filing date
Publication date
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Publication of EP4026682A1 publication Critical patent/EP4026682A1/fr
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Publication of EP4026682B1 publication Critical patent/EP4026682B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4236—Drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/28—Blow-moulding apparatus
    • B29C49/30—Blow-moulding apparatus having movable moulds or mould parts
    • B29C49/32—Blow-moulding apparatus having movable moulds or mould parts moving "to and fro"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4236—Drive means
    • B29C49/42362—Electric drive means, e.g. servomotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C49/5607—Electrically operated, e.g. the closing or opening is done with an electrical motor direct drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C49/5613—Opening, closing or clamping means characterised by connected mould part movement, e.g. bottom part movement is linked to mould half movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • B29C49/783—Measuring, controlling or regulating blowing pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C2049/4879—Moulds characterised by mould configurations
    • B29C2049/4894—With at least a part of the mould cavity formed by a cylindrical mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • B29C49/786—Temperature
    • B29C2049/7864—Temperature of the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C49/5601—Mechanically operated, i.e. closing or opening of the mould parts is done by mechanic means
    • B29C49/5604—Mechanically operated, i.e. closing or opening of the mould parts is done by mechanic means using spindle nut mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C49/5605—Hydraulically operated, i.e. closing or opening of the mould parts is done by hydraulic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C49/5612—Opening, closing or clamping means characterised by bottom part movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/003—PET, i.e. poylethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2022/00—Hollow articles

Definitions

  • the present invention relates to a blowing or stretch-blowing machine for preforms made of polymer material adapted to transform said preforms into bottles or containers, and in particular to the forming half-mold closing mechanism.
  • Blowing or stretch-blowing machines for preforms comprise a plurality of openable molds comprising two half-molds hinged at an end and actuated by means of appropriately arranged leverages sized to allow the opening and closing thereof in a synchronized manner with predetermined steps of loading of the preforms and unloading of the already formed bottle.
  • leverages are generally operated by means of a shaped cam coupling, such a coupling being adapted to provide an alternating motion with a pattern defined by the shape of the cam itself.
  • a plurality of molds is arranged radially about a central rotation axis, and means for opening and closing the molds are synchronized with the movement of other devices which cooperate in the operation of the machine, e.g., a movement device for the entering preforms and the exiting bottles, or a blowing and moving device for different components of the molds.
  • the conventional mold movement and opening/closing systems are complex and, above all, not very versatile. Indeed, to modify the opening/closing profile it is necessary to replace the cam system with a different one in which the profile of the cam corresponds to the new movement. Furthermore, by implying the use of complex mechanical movement transmission systems, the conventional machines are subject to high wear and thus to frequent and careful maintenance.
  • Semi-mold opening/closing systems are also known which include the use of a dedicated motorization, but also in this case the levers used are complex, especially for the movement of the bottom plate, which can result in the need for greater maintenance and therefore downtime of the system. Furthermore, the presence of the motorization can lead to an increase in the size of the blowing or stretch blowing unit, which is incompatible with the requirements of compact and small dimensions systems.
  • the problem addressed by the present invention is to make available a blowing or a stretch-blowing machine for bottles made of plastic material that makes it possible to overcome the disadvantages illustrated above and which is thus simpler to construct, requiring less maintenance and more compactness.
  • the invention relates to a machine for blowing or stretch-blowing bottles or containers made of a polymer material having a plurality of molds which are movable on a transport system, wherein each of said molds has a front, a back, and a bottom and comprises a first half-mold and a second half-mold hinged about a hinge axis and a base, wherein each of said molds comprises a mechanism for the synchronized actuation of the half-molds and the base actuated by an actuator thereof, which is independent from the motorization of the machine, to cyclically form, in cooperation with suitable shaped portions, a closed cavity adapted to receive a preheated preform and to allow the expansion by blowing or stretch-blowing of the preform inside the cavity to obtain a bottle or container, characterized in that the base is wedge-shaped and comprises a horizontal closing surface, facing the bottom of the mold, and an inclined surface, and in that the actuation mechanism of the base comprises a wedge-shaped element having an inclined
  • reference numeral 1 indicates as a whole an injection forming mold of a container in blowing or stretch-blowing machines.
  • a blowing or stretch-blowing machine according to the invention is of the rotary type and comprises a plurality of molds 1 arranged radially relative to a substantially vertical rotation axis of the machine.
  • each mold 1 is cyclically carried to a loading station of a preform and/or an unloading station of a bottle C obtained from the preform.
  • the blowing or stretch-blowing is performed between the loading of the preform and the unloading of the bottle.
  • the mold 1 comprises a front, back, and bottom.
  • Each mold 1 is mounted on a bracket 20 fixed to the carousel and comprises a first half-mold 2a and a second half-mold 2b hinged about a hinge axis 3, normally parallel to the rotation axis of the machine.
  • the hinge axis 3 is arranged at an end of the half-molds 2a, 2b facing towards the axis of the machine (back of mold 1), while the half-molds 2a, 2b on the opposite end (front of mold 1) comprise edges 9a, 9b intended to face each other when the mold 1 is closed.
  • Each half-mold 2a, 2b is C-shaped in cross-section, comprising a front portion 37a, 37b, a side portion 38a, 38b, and a rear portion 39a, 39b.
  • the first half-mold 2a and the second half-mold 2b can thus turn about the hinge axis 3 between a closed mold configuration ( Fig. 4 ) and an open mold configuration ( Fig. 1 and 5 ).
  • the half-molds 2a, 2b can thus be opened/closed like two shells of a bivalve shell.
  • the mold 1 comprises a base 4 adapted to cooperate with the half-mold 2a, 2b for closing the bottom of the mold 1 and bottom plate (base) vertical movement means, for cyclically forming a closed cavity adapted to receive a preheated preform and for allowing the expansion of the preform by blowing or stretch-blowing inside the cavity to obtain a bottle or a container.
  • the half-molds 2a, 2b comprise an outer face 5a, 5b, and an inner face 6a, 6b, respectively. Respectively shaped portions S are applied onto the inner faces 6a, 6b, which portions taken as a whole, with the mold closed, negatively mimic the outer shape of the bottle C to be obtained from the preform and delimit the space in which the preform is expanded.
  • such a shaped portion S can be separated from the half-molds 2a, 2b and is interchangeable, to allow the forming of bottles C having different shapes and sizes. In such a manner, it is sufficient to replace the shaped portions S to start the production of different bottles.
  • the half-molds 2a, 2b comprise a bottom opening from which the lower part of the shaped portions S protrude, the shaped portions S having, in turn, a bottom opening at a bottom portion of the bottle to be obtained, said opening adapted to be closed with an alternate motion by the aforesaid base 4.
  • a closing element 19 of the mold 1 is rotationally mounted, the closing element being adapted to keep the half-molds 2a, 2b joined during the blowing or stretch-blowing process.
  • the mold 1 further comprises a support 10 that comprises an L-shaped element 10a to which the mold 1 is hinged.
  • the blowing and stretch-blowing machine of containers according to the present invention is characterized in that it includes an opening/closing system of the half-molds 2a, 2b, and of the base 4 which has an independent motorization instead of the actuation cam.
  • each mold 1 of the blowing and stretch-blowing machine comprises its own motorization which will open/close the half-molds 2a, 2b, and base 4 and will be independent of the motorization of the machine which in turn transports the molds 1 along the working path.
  • the aforesaid motorization for the opening/closing the half-molds 2a, 2b, and the base 4 is an actuator with a rotary movement.
  • actuators are stepper motors, preferably rotating brushless motors.
  • the mold 1 thus comprises an actuator 30 arranged horizontally that moves a single synchronized actuation mechanism 40 of the half-mold 2a, 2b and of the base 4.
  • This embodiment as described in better detail below, further to allowing greater control of the blowing or stretch-blowing process, it has the advantage of reducing vibrations, noise, and wear of the machine by virtue of the fact that it is free of mechanical cams.
  • the actuator 30 is either a stepper or a brushless motor of the rotary type and is fixed to the bracket 20.
  • the bracket 20 comprises a plate 20a projecting onto the mold 1, so that the half molds 2a, 2b result contained between the L-shaped element 10a and said plate 20a.
  • the rotary actuator 30 is connected, by means of a transmission member 50, to an Archimedes' screw 51.
  • the actuation mechanism 40 comprises a sliding member 33 having a tubular cavity 61, arranged along a horizontal straight line which lies on the vertical plane which divides the two half-molds 2a, 2b, inside which cavity 61 the Archimedes' screw 51 is inserted.
  • Appropriate bosses present on the inner surface of the tubular cavity 61 cooperate with the grooves of the Archimedes' screw 51 so that the sliding member 33 either advances or retreats according to the rotation direction of the Archimedes' screw 51 when the latter rotates.
  • the sliding member 33 is associated with a first slide 34a, positioned above the sliding member 33 and slidingly mounted to guiding means 35.
  • the guiding means 35 are fixed and are mounted on the bracket 20.
  • the sliding member 33 may thus slide between an advanced position (or closing position) and a retreated position (or opening position).
  • the sliding member 33 is also integral on the bottom with a connecting element 33', which in turn is connected to a second slide 34b slidingly mounted on respective guiding means 35' fixed to the bracket 20.
  • the connecting element 33' is associated with the two half-molds 2a, 2b by means of respective connecting rods 36a, 36b.
  • the first ends of the two connecting rods 36a, 36b are coaxially hinged onto the connection element 33', while the opposite ends are hinged at respective joint elements 70a, 70b between the side portions 38a, 38b and the rear portions 39a, 39b of the half-molds 2a, 2b.
  • the connecting rods 36a, 36b act on the hinge points with the half-molds 2a, 2b, taking them into the open position.
  • Another advantage connected to only partial opening of the half-molds 2a, 2b resides in the decrease of the forces in hand and of the vibrations of the machine.
  • the sliding member 33 is also operatively connected to an opening-closing mechanism of the base 4.
  • the second slide 34b is integral with an L-shaped element 41 comprising a horizontal portion 41a facing in the direction of the mold face 1.
  • the horizontal portion 41a anteriorly comprises a wedge-shaped element 41b having an inclined surface 41c with an inclination descending towards the mold face 1.
  • the horizontal portion 41a of the L-shaped element 41 slides through the bracket 20, in particular through a vertical plate 20b facing the front of the mold 1 and comprises a guide on which a third slide 34c associated with the base 4 slides vertically.
  • the base 4 is wedge-shaped and comprises a horizontal closing surface 4a facing the bottom of the mold 1 and an inclined surface 4b having an inclination complementary to that of the wedge-shaped element 41b.
  • the inclined surface 4b comprises a fourth slide 34d sliding in a guide formed on the wedge-shaped element 41b.
  • This mechanism is particularly advantageous in that it minimizes linkages, so it is constructively simple and requires little maintenance.
  • the blowing and stretch-blowing machine or the mold 1 comprise a command and control unit configured to govern the motion law for opening/closing the individual molds 1 thus making it possible to provide predefined opening/closing cycles for every type of container C to be formed. For example, an incomplete opening of the molds may be provided if the container C to be formed is small in size, thus obtaining an increase of productivity, as mentioned above.
  • the command and control unit is configured to govern the overall operation of the machine and to perform the following functions:

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
EP22150118.2A 2021-01-11 2022-01-04 Machine de soufflage ou d'étirage-soufflage de bouteilles en polymère Active EP4026682B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102021000000323A IT202100000323A1 (it) 2021-01-11 2021-01-11 Macchina per la soffiatura o stiro-soffiatura di bottiglie in materiale polimerico

Publications (2)

Publication Number Publication Date
EP4026682A1 true EP4026682A1 (fr) 2022-07-13
EP4026682B1 EP4026682B1 (fr) 2023-08-30

Family

ID=75111813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22150118.2A Active EP4026682B1 (fr) 2021-01-11 2022-01-04 Machine de soufflage ou d'étirage-soufflage de bouteilles en polymère

Country Status (6)

Country Link
US (1) US11623383B2 (fr)
EP (1) EP4026682B1 (fr)
CN (1) CN114750395A (fr)
CA (1) CA3144857A1 (fr)
ES (1) ES2966074T3 (fr)
IT (1) IT202100000323A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115503218B (zh) * 2022-09-26 2024-05-03 江苏新美星包装机械股份有限公司 一种单开模吹瓶模架

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1307954A (fr) * 1960-09-13 1962-11-03 Marrick Mfg Co Perfectionnements apportés aux procédés et machines pour fabriquer des objets moulés creux
DE2359219A1 (de) * 1973-11-28 1975-06-05 Pmd Entwicklungswerk Verfahren und vorrichtung zum herstellen abfallfreier kunststoff-hohlkoerper
US20100203185A1 (en) * 2007-03-15 2010-08-12 Michael Litzenberg Device for blow molding containers
EP2218569A2 (fr) * 2009-02-12 2010-08-18 Krones AG Dispositif de fabrication de récipients en plastique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2269804B1 (fr) * 2008-12-19 2013-04-24 Krones AG Machine de formage par soufflage entraînée de manière électrique et le procédé
MA39005A (fr) 2014-05-09 2017-08-29 Smi Spa Machine pour le moulage par soufflage ou le moulage par étirage-soufflage de bouteilles dans un matériau polymère
US9908278B2 (en) * 2014-07-07 2018-03-06 Chumpower Machinery Corp. Blow molding device for a rotary bottle blowing machine and a method for using the same
ES2836209T3 (es) * 2015-06-10 2021-06-24 Smi Spa Máquina de soplado o de estiramiento por soplado para botellas fabricadas con material polímero

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1307954A (fr) * 1960-09-13 1962-11-03 Marrick Mfg Co Perfectionnements apportés aux procédés et machines pour fabriquer des objets moulés creux
DE2359219A1 (de) * 1973-11-28 1975-06-05 Pmd Entwicklungswerk Verfahren und vorrichtung zum herstellen abfallfreier kunststoff-hohlkoerper
US20100203185A1 (en) * 2007-03-15 2010-08-12 Michael Litzenberg Device for blow molding containers
EP2218569A2 (fr) * 2009-02-12 2010-08-18 Krones AG Dispositif de fabrication de récipients en plastique

Also Published As

Publication number Publication date
US20220219375A1 (en) 2022-07-14
CA3144857A1 (fr) 2022-07-11
IT202100000323A1 (it) 2022-07-11
US11623383B2 (en) 2023-04-11
EP4026682B1 (fr) 2023-08-30
CN114750395A (zh) 2022-07-15
ES2966074T3 (es) 2024-04-18

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